1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Module 7 Unit 1,Living with technology,(,2,),状语从句,(1),状语从句即指在主从复合句用作状语的从句。按照其意义,状语从句可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句等。状语从句是高中英语学习中的一个语法重点,也是历年高考重点考查的内容之一。学习状语从句主要应注意引导状语从句的从属连词的用法与区别,以及从属连词在一定的语言环境中的意义与用法。,一、时间状语从句,1,引导时间状语从句的从属连词很多,常见的有
2、before,after,when,while,as,since,till,until,as soon as,等。,2,表示“当,时候”的,while,when,as,的用法区别是:,while,从句中的谓语动词必须是延续性动词;表示带有规律性的“每当”或当主、从句谓语动词的动作发生有先后时,只能用,when,;当表示“一边,一边,”,或“随着”时,只能用,as,。另外,用于此意的,as,所引导的时间状语从句谓语只能是动作动词,不能是状态动词。如下面一道高考题的答案是,B,而不能是,A,:“,Im going to the post office.”“_ youre there,can yo
3、u get me some stamps,?”,A.As B.While,C.Because D.If,3,until,在肯定句中通常只连用延续性动词,表示相应动作结束的时间;在否定句中通常连用非延续性动词,表示相应动作开始的时间,意为“直到,才,”,。,He waited until she was about to leave.,他等着直到她准备离开。,I did not begin to work till he had gone.,他走了后我才开始工作。,4,表示“一,就,”,除用,as soon as,外,还可用,the minute,the second,the instant,i
4、mmediately,directly,instantly,no soonerthan,,,hardlywhen,等。,I came immediately you called.,你一来电话我就来了。,Hardly had she arrived when it began to snow.,她刚到就下起雪来了。,The moment I have finished Ill give you a call.,我一干完就给你打电话。,5,every time,each time,(the)next time,(the)last time,by the time,the first time,a
5、ny time,等以,time,结尾的词语也可用作连词,引导时间状语从句。,Next time you come in,please close the door.,下次你进来,请关门。,He didnt tell me anything the last time I saw him.,上次我见到他时他什么也没告诉我。,By the time I got home,she had already gone to bed.,我到家时她已睡觉了。,二、条件状语从句,1,引导条件状语从句的从属连词主要有,if,unless,as(so)long as,等。,Dont come unless I t
6、elephone.,除非我打电话,否则你别来。,If you watch carefully you will see how to do it.,如果你仔细瞧你会看出该怎样做。,As long as you do your best,well be happy.,只要你尽力,我们就满意了。,2,in case,也可引导条件状语从句,其意为“如果”、“万一”。,In case I forget,please remind me about it.,如果我忘了,请提醒我。,三、让步状语从句,1,引导让步状语从句的从属连词主要有,although,though,however(,no matter
7、 how),even if(,即使,),whetheror(,不论,还是,),等连词。,The speech is good,though it could be better.,这次演讲不错,虽然还可以再好一点。,He went out even though it was raining.,尽管下雨,他还是出去了。,2,as,也可引导让步状语从句,但要将名词、形容词或副词等提到,as,前,若提前的是单数可数名词,要省略,a/an,。,Teacher as he is,he cant know everything.,虽然是老师,他也不可能什么都懂。,3,连词,while,有时也可表示“尽管
8、虽然”,引导让步状语从句。,While we dont agree we continue to be friends.,尽管我们意见不同,我们还是朋友。,4,whatever,whoever,however,whenever,wherever,等引导让步状语从句。,Dont lose heart whatever you do.,不管你做什么,都不要灰心。,Whoever you are,you cant pass this way.,不管你是谁,你都不能从这里通过。,注意,:表示“虽然”的,though,although,不可与,but,连用,但可与,yet,still,连用。,四、
9、原因状语从句,1,引导原因状语从句的从属连词主要有,because,as,since,seeing(that),now(that),等。,They cant have gone out because the lights on.,他们不可能出去了,因为灯还亮着。,Since you are going,I will go.,既然你去,我也去。,Now that we are alone,we can speak freely.,现在我们单独在一起,可以随便谈了。,2,除以上提到的大家比较熟悉的引导原因状语从句的从属连词外,,when,有时也可引导原因状语从句,其意为“既然”。,I cant
10、tell you when you wont listen.,既然你不想听,我就不告诉你了。,3.,有关原因状语从句还应注意以下几点:,(1)as,与,since,now that,一样表示双方都知道的原因,通常位于主句前,且均不可用于强调结构被强调。,(2),当表示直接的因果关系,回答,why,时,或有,only,just,all,partly,not,but,等副词修饰时,或用在强调结构中都只能用,because,。,(3)for,有时也可引出表示原因的分句,但它只能位于后面,对前一分句加以解释或推断。,(4),不要受汉语意思影响将表示“因为”的连词与表示“所以”的,so,连用。,五、地点
11、状语从句,1,引导地点状语从句的从属连词主要有,where(,在,的地方,),wherever(,无论什么地方,),everywhere(,每个,地方,),anywhere(,任何,地方,),。,Im not living where I was.,我不在原处住了。,You cant camp where(wherever,anywhere)you like these days.,这些天你可不能随便在哪儿宿营。,Everywhere I go,I find the same thing.,不管我走到哪里,我都发现同样的情况。,2,有的同学认为地点状语从句在平时见得不多,误认为考试不会涉及,但
12、恰恰相反,地点状语从句却是英语考试经常考查的一个知识点。请看以下考题:,(1)After the war,a new school building was put up _ there had once been a theatre.,A.that B.where,C.which D.when,(2)You should make it a rule to leave things _ you can find them again.,A.when B.where,C.then D.there,(3)She found her calculator _ she lost it.,A.wher
13、e B.when,C.in which D.that,以上三题均选,where,,其意为“在,的地方”,用以引导地点状语从句。,六、目的状语从句,1.,引导目的状语从句的从属连词主要有,in order that,so that,in case,for fear,等。,I hired a boat so that I could go fishing.,我租了一条船去钓鱼。,He studied hard in order that he could pass the exam.,他努力学习,是为了能通过考试。,2,引导目的状语从句的,so that,有时可省,so,或,that,,即单独用,
14、so,或,that,来引导目的状语从句。,Check carefully,so any mistake will be caught.,仔细检查,以便任何错误都可检查出。,Bring it closer that I might see it better.,拿近些,使我能看得清楚些。,七、结果状语从句,引导结果状语从句的从属连词主要有,so that,sothat,,,suchthat,等。,He was so angry that he couldnt speak.,他气得话都说不出来。,He shut the window with such force that the glass b
15、roke.,他关窗子用力很大,结果玻璃震破了。,注意:,sothat,和,suchthat,中的,that,有时,(,尤其在口语中,),可省略。,八、方式状语从句,方式状语从句在高考中常见的引导词有表示“像,”,的,as,和表示“好像,”,的,as if/as though,。,Lets study as Lei Feng studied.,让我们像雷锋那样学习吧。,Think as I think.,像我这样去想。,He talks as if/though he is drunk.,从他谈话的样子来看他好像醉了。,1.He is _ a good teacher _ we all resp
16、ect.,A.such;that B.such;as,C.so;that D.so;as,B,此题容易误选,A,,一方面是因为,suchthat,是同学们很熟悉的一个句式,一看就可能选中了;另一方面,将,suchthat,的意思“如此,以致,”,代入句中,也完全通顺,即“他是一位如此优秀的教师,以致我们大家都尊敬他”。从表面上看,以上分析很有道理,但其实错了。因为在,suchthat(,如此,以致,),结构中,,that,引导的是结果状语从句,并且,that,在从句中不充当句子成分,若在上句填入,suchthat,,句末的,respect,显然缺少宾语,(,注意:,respect,是及物动词,
17、),。,正确的答案应是,B,,,as,用作关系代词,用以引导定语从句,修饰其前的名词,teacher,,同时,as,在定语从句中用作动词,respect,的宾语,句意为“他是我们大家都尊敬的一位好老师”。有的同学们可能还会问,能否选,A,答案,而将其后的,that,视为引导定语从句的关系代词呢?不能。因为当先行词受到,such,的修饰时,其后的定语从句应用关系代词,as,来引导,而不用,that,。顺便说一句,假若在原句的,respect,后加上,him,一词,则应选,A,,即,He is such a good teacher that we all respect him.(,他是如此好的
18、一位老师,我们大家都尊敬他,),。,2.The building must be saved,_ the cost.,A.what B.which,C.whatever D.whichever,C,许多同学对此题感到无从下手。此题有两个难点:一是,whatever,的用法问题,二是此句的,the cost,后省略了动词,is,。,whatever,有两个用法,一是用以引导名词性从句,二是引导让步状语从句,(,此时也可换成,no matter what),。,3.I hate _ when people talk with their mouths full.,A.it B.that,C.the
19、m D./,A,此题容易误选,D,,许多同学想当然地认为,when,所引导的句子是一个宾语从句,无需在,hate,和,when,从句之间使用其他词语。事实上,,when,在此引导的不是一个宾语从句,而是一个时间状语从句,因为句中的,when,的意思并不是“什么时候”,而是“当,时候”。,另一方面,有的同学可能认为,就算,when,引导的是状语从句,也可以选,D,,因为动词,hate,可视为不及物动词,其后不接宾语。但事实上,,hate,在现代英语中只用作及物动词,其后必须要有宾语,假若其后直接跟有,when,引导的时间状语从句或,if,引导的条件状语从句时,习惯上在其后跟有,it,,有的词典则把,hate it when(if),作为一个句型来处理。除,hate,外,动词,like,dislike,love,enjoy,prefer,appreciate,等也有类似用法特点。,






